“Duties and Responsibilities of Investigator” by Jai S. Singh is a practical and insightful guide into the crucial role of investigators in the criminal justice system. This book outlines the core duties, legal obligations, and ethical expectations that every investigating officer or law enforcement official must uphold.

Whether you’re an aspiring police officer, legal intern, or a criminal law student, this book provides detailed information on:

• Stages of investigation

• Collection and preservation of evidence

• Interviewing witnesses and suspects

• Drafting investigation reports

• Coordinating with legal and forensic teams

• Ensuring procedural compliance and legal validity

This manual is particularly useful for police training academies, criminology students, and legal practitioners engaged in criminal litigation.